### How to Quickly find Rate of Simple Interest

Simple interest is calculated only on the principal amount, or on that portion of the principal amount that remains. It excludes the effect of compounding....

Quantitative Aptitude

Simple interest is calculated only on the principal amount, or on that portion of the principal amount that remains. It excludes the effect of compounding....

Manohar Veera
December 26, 2016

Aptitude Shortcuts

Shortcut 99: nCr=n!/[r!(n-r)!] Question: In how many ways 2 shirts and 3 pants can be selected from 5 shirts and 7 pants? Answer: Selecting...

Manohar Veera
September 2, 2016

Aptitude Shortcuts

Shortcut 95: Repeated elements n!/(a!*b!) Question: In how many ways the letters of the word “ENVIRONMENT” can be arranged? Answer: n = 11 Let,...

Manohar Veera
September 1, 2016

Aptitude Shortcuts

Shortcut 91: Events Dependent=multiplication Independent =addition Question: There 3 busses from city A to city B and there are 5 busses from city...

Manohar Veera
September 1, 2016

Aptitude Shortcuts

Shortcut 87: Using the odd days Question: Find the day of birth of MS Dhoni (7 July, 1981), if 31 Dec 1999 is Friday...

Manohar Veera
August 31, 2016

Aptitude Shortcuts

Shortcut 85: Using tanƟ Ɵ tan 0 0 30 [latex]1/\sqrt3 [/latex] 45 1 60 [latex] \sqrt3[/latex] 90 ...

Manohar Veera
August 31, 2016

Aptitude Shortcuts

Shortcut 82: Maximum number of items per group Take HCF Question: There are 40, 45 and 50 balls in three different colors. They have...

Manohar Veera
August 30, 2016

Aptitude Shortcuts

Shortcut 77: Divisibility test Divisibleby Rule 2 Last digit of a number should be 0,2,4,6, or 8 3 Sum of the digit should be divisible...

Manohar Veera
August 30, 2016

Aptitude Shortcuts

Shortcut 75: Simple interest [latex]SI=\frac{PNR}{100}[/latex] P = Principle amount invested or borrowed R = Rate of interest per term N = Number of terms Term...

Manohar Veera
August 29, 2016

Aptitude Shortcuts

Shortcut 73: One pipe fills and another empties [latex]\frac{AB}{-A+B}[/latex] Question: Pipe A can fill a tank in 4 hours and pipe B can empty the...

Manohar Veera
August 29, 2016